If an Earthquake Has a Total Horizontal Displacement of S

question 110

Multiple Choice

If an earthquake has a total horizontal displacement of S meters along its fault line, then the horizontal movement M of a point on the surface of Earth d kilometers from the fault line can be estimated using the formula where D is the depth (in kilometers) below the surface of the focal point of the earthquake. Approximate the depth D of the focal point of an earthquake with S = 3 m if a point on the surface of Earth 3 kilometers from the fault line moved 0.77 meters horizontally. Round the answer to the nearest hundredth.

• A) km
• B) km
• C) km
• D) km
• E) km

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